Hello All,
For Google Summer of Code 2019 I am working on FreeBSD's ports tree
makefiles towards eliminating the dependency of the ports building
process on the local system's installed packages. Currently this level
of separation can only be accomplished in practice through chroot or
Jail. The project will eliminate the need for cooperation of the root
user since /usr/local will not need to be touched.
The major technical obstacle to be overcome is that ports expect to find
files of their dependencies installed in /usr/local. To support this
without touching that location on the installed system, file accesses
will be redirected to a location controlled by the ports build process
through use of a library to intercept file accesses.
Once I have that working (well enough to build one port at a time) I
will move on to modify bsd.port.mk itself (and related files) to utilize
this mechanism for virtual installation of port dependencies during builds.
The full project proposal can be seen at
https://docs.google.com/document/d/1B30U9csgY299W59tNraSX1LYjzsba2i04OrYAUpdIZs/edit
.
My goal is that this work can be integrated well enough into
/usr/ports/Mk so that unlike Jail, no set up work should be required for
using ports tree to build a set of installable packages.
Please let me know if you are interested in this project; feedback is
appreciated. If someone would like to provide ongoing feedback or
mentorship that would be especially helpful. Bakul Shah is my mentor
officially for GSoC but I would be happy to have additional support from
someone who is experienced with internals of the port infrastructure
makefiles.
Theron Tarigo
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